On the surface, it appears to be a shot of good news after the 49ers’ first seven games were against teams sporting a 29-15 record: They don’t play a game against a team that currently has a winning record until they host the Chargers on Dec. 20. …

DENVER — The 49ers had several factors working against them Sunday night: a slew of injuries, a short work week and a game against the defending AFC champions in mile-high altitude. Oh, yeah, they also had to deal with this rather significant obstacle: Peyton Williams Manning. …

DENVER — The good news for the 49ers in tonight’s meeting against the Broncos and quarterback Peyton Manning: Starting cornerback Tramaine Brock is active for the first time since he sustained a turf-toe injury in the season opener. …